What is Topical?
Topical definition and meaning on Dictionary terms:
pertaining to or dealing with matters of current or local interest: a topical reference.
pertaining to the subject of a discourse, composition, or the like.
of a place; local.
Medicine/Medical. of, relating to, or applied externally to a particular part of the body; local: a topical anesthetic.
Philately. any of a collection of different stamps treating the same subject.