the read is to choose one of two choices in a set of curly brackets
"A description of what this review intends to cover can therefore be stated as:
the {ease or readiness} with which linguistic material in {spoken or written} form with (given) {cognitive emotional} characteristics or {content or style}, presented in a (given) manner, {with or without} support context,
is decoded (understood, learned, remembered) by members of a (given) population" (pp. 2-3).