Note-Taking System Like Isaac Pitman's

This page is the CodyCross answer for the clue below from Airport, Group 456, Puzzle 4 (Security Personnel).

Question is: Note-Taking System Like Isaac Pitman's

and the answer is: SHORTHAND

Word Meaning:

SHORTHAND — A rough and rapid method of writing by substituting symbols for letters, words, etc.

Definitions from Wiktionary.