This lecture introduces AutoCAD, covering layout, scaling, and various commands such as cancel, board, insert, annotate, parametric, manage, exit, Autodesk 350 Express Tools, complements, applications, groups, align line, benchmark, view clipboard, properties, presentation object, specify corner, path, polygon, cpolygon, layer names, network scale, drawing, color, line, thickness, material, trace, freeze, unlock, dimension modification, text editor, bullet, numer, line spacing, dimension text style, height, direction, appearance, fraction height, text height, dimension line offset, leader lines, arrow, symbol, extension line, dimension style, and more.