focus

As nouns the difference between note and focus

is that note is while focus is (countable|optics) a point at which reflected or refracted rays of light converge.

As a verb focus is

to cause (rays of light, etc) to converge at a single point.

In transitive terms the difference between focus and hold

is that focus is to adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane while hold is to bind (someone) to a consequence of his or her actions.

In intransitive terms the difference between focus and hold

is that focus is to concentrate one’s attention while hold is not to give way; not to part or become separated; to remain unbroken or unsubdued.

As an adjective hold is

gracious; friendly; faithful; true.

As nouns the difference between focus and circus

is that focus is a point at which reflected or refracted rays of light converge while circus is a traveling company of performers that may include acrobats, clowns, trained animals, and other novelty acts, that gives shows usually in a circular tent.

As a verb focus

is to cause (rays of light, etc) to converge at a single point.

Focus is a related term of preoccupation.

As nouns the difference between focus and preoccupation

is that focus is (countable|optics) a point at which reflected or refracted rays of light converge while preoccupation is worry.

As a verb focus

is to cause (rays of light, etc) to converge at a single point.

As verbs the difference between focus and fixate

is that focus is to cause (rays of light, etc) to converge at a single point while fixate is to make something fixed and stable; to fix.

As a noun focus

is a point at which reflected or refracted rays of light converge.

As nouns the difference between resolution and focus

is that resolution is a strong will, determination while focus is a point at which reflected or refracted rays of light converge.

As a verb focus is

to cause (rays of light, etc) to converge at a single point.

In linguistics terms the difference between scope and focus

is that scope is the region of an utterance to which some modifying element applies while focus is the most important word or phrase in a sentence or passage, or the one that imparts information.

As nouns the difference between scope and focus

is that scope is the breadth, depth or reach of a subject; a domain while focus is a point at which reflected or refracted rays of light converge.

As verbs the difference between scope and focus

is that scope is to perform a cursory investigation, as to scope out while focus is to cause (rays of light, etc) to converge at a single point.

As a noun focus is

(countable|optics) a point at which reflected or refracted rays of light converge.

As a verb focus is

to cause (rays of light, etc) to converge at a single point.

Funnel is a synonym of focus.

In lang=en terms the difference between funnel and focus

is that funnel is to direct (money or resources) while focus is to concentrate one’s attention.

As nouns the difference between funnel and focus

is that funnel is a utensil of the shape of an inverted hollow cone, terminating below in a pipe, and used for conveying liquids etc into a close vessel; a tunnel while focus is (countable|optics) a point at which reflected or refracted rays of light converge.

As verbs the difference between funnel and focus

is that funnel is to use a funnel while focus is to cause (rays of light, etc) to converge at a single point.

In transitive terms the difference between focus and concern

is that focus is to adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane while concern is to make somebody worried.