find

find is a console command available in all Source games. The find <terms> command searches for a console command or variable that includes the search terms, either in its name or in its description.

Example output, with emphasis added:

] find lead
"ai_lead_time" = "0.0"
 game
"mp_clan_ready_signal" = "ready"
 game
 - Text that team leader from each team must speak for the match to begin
"sk_crowbar_lead_time" = "0.9"
 game