Popular Terms. Detailed listing of activities, costs, expected difficulties, and schedules that are required to achieve the objectives of the strategic plans. Because of the quick increase in number of employees the company I work for reviewed their implementation plan for evacuating the building if there is a fire.
Noun. 1. rectangle-a parallelogram with four right angles. foursquare, square - (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon; you can compute the area of a square if you know the length of its sides.
1 A square is a special case of a rectangle where all four sides are the same length. Adjust the rectangle above to create a square.  It is also a special case of a parallelogram but with extra limitation that the angles are fixed at 90Â°. See Parallelogram definition and adjust the parallelogram to create a rectangle.