keep someone in the picture

: to retain in one's possession or power

: to refrain from granting, giving, or allowing

: to have in control

: the means or provisions by which one is kept

: one that keeps or protects: such as

: fortress, castle

: some person : somebody

: a design or representation made by various means (such as painting, drawing, or photography)

: a description so vivid or graphic as to suggest a mental image or give an accurate idea of something

: a mental image

: to paint or draw a representation, image, or visual conception of : depict

: to describe graphically in words

: to form a mental image of : imagine