The Picture Exchange Communication System (PECS) focuses on the
initiation component of communication, which is used in a variety of settings.
Students are taught to approach and give a picsym of a desired item to a
communicative partner in exchange for that item. In doing that, the student
initiates a communicative act for a concrete outcome within a social context.
Then the student is taught to sequence a sentence using picsyms that are placed
on a sentence strip. The sentence strip is then handed to the communication