Tag vs Null - What's the difference?

tag | null |

As an abbreviation tag

is .

As a noun null is

zero, nil; the cardinal number before einn.

tag

English

(wikipedia tag)

Etymology 1

Noun

(en noun)

A small label.

A game played by two or more children in which one child (known as "it") attempts to catch one of the others, who then becomes "it".

A skin tag, an excrescence of skin.

A type of cardboard.

Graffiti in the form of a stylized signature particular to the person who makes the graffiti.

A dangling lock of sheep's wool, matted with dung; a dung tag.

An attribution in narrated dialogue (eg, "he said").

(chiefly, US) a vehicle number plate; a medal bearing identification data (animals, soldiers).

(baseball) An instance of touching the baserunner with the ball or the ball in a gloved hand.

The tag was applied at second for the final out.

(computing) A piece of markup representing an element in a markup language.

The </code> <strong>tag </strong> provides a title for the Web page. </em> </dd></dl> <dl><dd><em>The <code><sarcasm></code> <strong>tag </strong> conveys sarcasm in Internet slang. </em> </dd></dl> <li> (computing) A keyword, term, or phrase associated with or assigned to data, media, and/or information enabling keyword-based classification; often used to categorize content. </li> <dl><dd><em>I want to add genre and artist <strong>tags </strong> to the files in my music collection. </em> </dd></dl> <li> Any slight appendage, as to an article of dress; something slight hanging loosely. </li> <li> A metallic binding, tube, or point, at the end of a string, or lace, to stiffen it. </li> <li> The end, or catchword, of an actor's speech; cue. </li> <li> Something mean and paltry; the rabble. </li> <li> A sheep in its first year. </li> <dl><dd>(<i>Halliwell</i>) </dd></dl> <li> (<i>lb</i>) Any short peptide sequence artificially attached to proteins mostly in order to help purify, solubilize or visualize these proteins. </li> </div><div class='fourth-Verb'><h4>Verb</h4> (<i>tagg</i>) <li> To label (something). </li> <li> (graffiti) To mark (something) with one’s tag. </li> <li> To remove dung tags from a sheep. </li> <dl><dd><em>Regularly <strong>tag </strong> the rear ends of your sheep. </em> </dd></dl> <li> (transitive, baseball, colloquial) To hit the ball hard. </li> <dl><dd><em>He really <strong>tagged </strong> that ball. </em> </dd></dl> <li> (baseball) To put a runner out by touching them with the ball or the ball in a gloved hand. </li> <dl><dd><em>He <strong>tagged </strong> the runner for the out. </em> </dd></dl> <li> (computing) To mark with a tag (metadata for classification). </li> <dl><dd><em>I am <strong>tagging </strong> my music files by artist and genre. </em> </dd></dl> <li> To follow closely, accompany, tag along. </li> <li>* <strong>1906 </strong>, O. Henry, <em> </em> </li> <dl><dd><i>A tall young man came striding through the park along the path near which she sat. Behind him <strong>tagged </strong> a boy carrying a suit-case. </i></dd></dl> <li> To catch and touch (a player in the game of tag). </li> <li> To fit with, or as if with, a tag or tags. </li> <li>* Macaulay </li> <dl><dd><i>He learned to make long-<strong>tagged </strong> thread laces. </i></dd></dl> <li>* Dryden </li> <dl><dd><i>His courteous host / <strong>Tags </strong> every sentence with some fawning word. </i></dd></dl> <li> To fasten; to attach. </li> <dl><dd>(<i>Bolingbroke</i>) </dd></dl> </div><div class='fifth-Derived terms'><h5>Derived terms</h5> * tag along * tag cloud * tag end * ! * tag out * phone tag * telephone tag </div><div class='third-Etymology 2'><h3>Etymology 2</h3> From (<i>etyl</i>) . </div><div class='fourth-Noun'><h4>Noun</h4> (<i>tagin</i>) <li> A decoration drawn over some Hebrew letters in Jewish scrolls. </li> </div><div class='third-Anagrams'><h3>Anagrams</h3> * ---- </div></cite></div><div class='definition' style='width:43%;max-width:43%;float:left;text-align:left;'><cite tite="http://en.wiktionary.org/wiki/null"><a href="http://en.wiktionary.org/wiki/null"><h1> null </h1></a><div class='second-English'><h2>English</h2> </div><div class='third-Noun'><h3>Noun</h3> (<i><a href="https://en.wiktionary.org/wiki/Appendix:Glossary#noun">en noun</a></i>) <li> A non-existent or empty value or set of values. </li> <li> Zero]] quantity of [[expression, expressions; nothing. </li> <dl><dd>(<i>Francis Bacon</i>) </dd></dl> <li> Something that has no force or meaning. </li> <li> (computing) the ASCII or Unicode character (<big><big></big></big>), represented by a zero value, that indicates no character and is sometimes used as a string terminator. </li> <li> (computing) the attribute of an entity that has no valid value. </li> <dl><dd><em>Since no date of birth was entered for the patient, his age is <strong>null </strong>. </em> </dd></dl> <li> One of the beads in nulled work. </li> <li> (statistics) null hypothesis </li> </div><div class='third-Adjective'><h3>Adjective</h3> (<i><a href="https://en.wiktionary.org/wiki/Appendix:Glossary#adjective">en adjective</a></i>) <li> Having no validity, "null and void" </li> <li> insignificant </li> <li>* <strong>1924 </strong>, Marcel Proust, <em>Within a Budding Grove </em>: </li> <dl><dd><i>In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more <strong>null </strong> than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise. </i></dd></dl> <li> absent or non-existent </li> <li> (mathematics) of the null set </li> <li> (mathematics) of or comprising a value of precisely zero </li> <li> (genetics, of a mutation) causing a complete loss of gene function, amorphic. </li> </div><div class='fourth-Derived terms'><h4>Derived terms</h4> * nullity </div><div class='third-Verb'><h3>Verb</h3> (<i><a href="https://en.wiktionary.org/wiki/Appendix:Glossary#verb">en verb</a></i>) <li> to nullify; to annul </li> <dl><dd>(<i>Milton</i>) </dd></dl> </div><div class='third-Related terms'><h3>Related terms</h3> * annul </div><div class='third-See also'><h3>See also</h3> * nil ---- </div></cite></div></div></div></div> </section>  </div>  <footer id="footer-block"> <div class="region region-footer"> <div id="block-block-23" class="block block-block"> <div class="sharethis-inline-share-buttons"></div> </div><div id="block-block-2" class="block block-block"><div align="center"> <p><a href="https://creativecommons.org/licenses/by-sa/3.0/"><img src="https://wikidiff.com/static/CC_88x31.webp" width="88px" height="31px" border="0" alt="Creative Commons by-sa 3.0"/></a> Text is available under the <a href="https://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution/Share-Alike License;</a> additional terms may apply.<br/> <br/> See <a href="https://wikimediafoundation.org/wiki/Terms_of_Use">Wiktionary Terms of Use</a> for details.</p> </div> </div><div id="block-block-20" class="block block-block"><div align="center"><a href="/privacy-policy">Privacy Policy</a> | <a href="/about-us">About Us</a> | <a href="/contact/contact_us">Contact Us</a></div></div></div> </footer><script> window.addEventListener('load', function() { var s = document.createElement('script'); s.src = 'https://platform-api.sharethis.com/js/sharethis.js#property=660fab01ecec91001ad66aa3&product=gdpr-compliance-tool-v2'; document.body.appendChild(s); }); </script> </body> </html>