Definitions for "Ad Lib"
Short for the Latin “ ad libitum” meaning “freely.” In theatre it means i mprovising lines, though the audience generally shouldn’t know unless an actor is deliberately responding "ad lib" to a comment picked up from the audience. Of course, actors may simply ad lib because they’ve forgotten their lines. Oh, the joys of live performance
The presence of mind by an actor to improvise when; 1) another actor fails to enter on cue 2) the normal progress of the play is disturbed 3) lines are forgotten 4) It may also be a bad habit developed by some actors whereby unnecessary 'gags' are introduced into the dialogue.
a line of dialogue improvised by an actor during a performance; can be either unscripted or deliberate; improvisation consists of ad-libbed dialogue (and action) that is invented or created by the performer
Keywords:  feed, hay, eat, animal, choice
Constant access to feed – for example, hay made available at all times.
Feed allowance so there is no restriction of intake. Animals can eat at will.
Also known as free choice. Sufficient feed is made available at all times to enable the animal to eat as much as it can eat.
Extemporaneous delivery without relying on a prepared script.
Keywords:  desired
as desired