to give a detailed explanation of (something)
to develop the implications of (a theory, etc)
to analyse (a literary work, etc)
explication /-ʹkaysh(ə)n/ noun
explicative /-tiv, ekʹsplikətiv/ adj
explicator noun
explicatory /-t(ə)ri, ekʹsplikət(ə)ri/ adj
[Latin explicatus, past part. of explicare, literally ‘to unfold’, from ex-1 + plicare to fold]