Function Allocation. Function allocation (also known as task allocation) is a classic human factors method for deciding whether a particular function will be accomplished by a person, technology (hardware or software) or some mix of person and technology.
perpendicular - a straight line at right angles to another line straight line - a line traced by a point traveling in a constant direction; a line of zero curvature; the shortest distance between two points is a straight line 2. perpendicular - a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting
Perpendicular. It just means at right angles (90Â°) to. The red line is perpendicular to the blue line in both these cases: (The little box drawn in the corner, means at right angles, so we didn't really need to also show that it was 90Â°, but we just wanted to!).