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
Skew lines are lines that are in different planes, are not parallel, and do not intersect. Parallel lines, as you will recall, are lines that are in the same plane and do not intersect. Also, remember that in mathematics, lines extend forever in both directions.