What's the difference between deictic and deictically?

Deictic

Definition:

(a.) Direct; proving directly; -- applied to reasoning, and opposed to elenchtic or refutative.

Example Sentences:

(1) He also comments on the deictic inabilities, inferring that the "I," "you," and "he" references do not have any significance for such children.
(2) When the viewpoint of the observer was an essential component of the task and the spatial term was omitted, both age groups selected a deictic location.
(3) However, when the viewpoint was emphasized but when the spatial term was also included the responses were split between deictic and nondeictic locations.
(4) It claims that each term has three types of meanings, basic, deictic and intrinsic, and that the definitions of each type of meaning are identical in form for all six terms.
(5) Production of the deictic verbs bring and take was evaluated among 88 normally functioning children (grades K-6).

Definition:

Example Sentences:

(1) He also comments on the deictic inabilities, inferring that the "I," "you," and "he" references do not have any significance for such children.
(2) When the viewpoint of the observer was an essential component of the task and the spatial term was omitted, both age groups selected a deictic location.
(3) However, when the viewpoint was emphasized but when the spatial term was also included the responses were split between deictic and nondeictic locations.
(4) It claims that each term has three types of meanings, basic, deictic and intrinsic, and that the definitions of each type of meaning are identical in form for all six terms.
(5) Production of the deictic verbs bring and take was evaluated among 88 normally functioning children (grades K-6).