“Lexicography” is a branch of science deals with:

Lexicography (D): Lexicography is the system of writing and compiling dictionaries. It entails the gathering, definition, and agency of phrases and their meanings. Examination of a frame (A): This is related to pathology or forensic technological know-how. Method of coaching (B): This pertains to pedagogy or schooling, now not lexicography. Study of amphibians (C): This is associated with herpetology.