As used in this chapter:

(1) All words and phrases defined in chapter one of this title (WAC 417-01-120) and RCW 44.05.020 shall have the same meaning for the purposes of this chapter.

(2) "Commission plan" means a proposed plan of redistricting, including any amendment to a proposed plan of redistricting, that is submitted to the commission by a commissioner, or by the chair or the staff of the commission. It also means a plan of redistricting, including any amendment to a proposed plan of redistricting, that is prepared by or at the direction of one or more of the commissioners.

(3) "Formal third-party plan" means a redistricting plan other than a commission plan that meets the requirements of WAC 417-06-130 and that covers all of the territory of the state, or that covers at least all of the territory of the state that lies to the east of, or to the west of, the crest of the Cascade range.

(4) "Partial third-party plan" means a plan other than a commission plan that would qualify as a formal third-party plan except that it covers a smaller geographical area than a formal third-party plan.

(5) "Description of a community of interest" means a written, graphic, audio or video file submitted by an individual or interest group other than the commission that explains or portrays an area or areas that make up a recognized community of interest.

(6) "Third-party comment" means a written, graphic, audio or video proposal for an amendment to a commission plan or a third-party plan, submitted to the commission by an individual or interest group other than the commissioners or the chair or staff of the commission. A third-party comment may be a formal third-party plan, a partial third-party plan, or a description of a community of interest.