dmca

As a noun home

is (computing) a key that when pressed causes the cursor to go to the first character of the current line, or on the internet to the top of the web page.

As a proper noun home

is .

As an initialism dmca is

.

As a verb dmca is

(informal|transitive|internet) to serve a digital millennium copyright act notification against, so as to have infringing material taken down.