focal

One of two lines perpendicular to the axis of a cone such that the cosine of the angle between the line and the axis is equal to the ratio of the cosines o the semiangles of the cone.

An object that is used to focus concentration when performing magic.

The individual who is the focus of a study or review, when the study or review is based on that individual's interactions with others.

A representative of a group or class of people within an organizational system.

A sign or similar type of marketing material designed to draw attention to special deals.

The central or most important element of something; a focal element.

A major point of interest; an attraction.

An exemplar of a concept.

Belonging to, concerning, or located at a focus (definite location).

Belonging to, concerning, or located at a focus of attention.

Limited to a small area.