get the picture vs comprehend

get the picture and comprehend both are verbs.

Word	Noun	Adjective	Verb	Adverb
get the picture	No	No	Yes	No
comprehend	No	No	Yes	No

As verbs, get the picture and comprehend are synonyms defined as:

Other synonyms of get the picture include apprehend, compass, dig, grasp, grok, savvy.

get the picture (verb)	comprehend (verb)
get the meaning of something	get the meaning of something
	to become aware of through the senses
	include in scope; include as part of something broader; have as one's sphere or territory