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• CADD - Computer-Aided Design and Drafting
• AutoCAD become widely used in year 1982
• Vector-based - Type of graphics AutoCAD use to depict object of traditional drafting.
• Main purpose of using auto cad - To Create a database for manufacturing.
• Industries extensively use CAD - Automotive, shipbuilding, and aerospace industries.
• UCS - User Coordinate System
• WCS - World Coordinate System
• Draw Toolbar - Used to create new objects such as lines and circles
• Purpose of the Modify Toolbar - To move, copy, rotate, and modify existing objects
• Where is the working/Drawing area located in AutoCAD - Center of the screen
• Modify Toolbar - used to modify basic drawing objects in AutoCAD
• Quick Access Toolbar - Provides direct access to common or defined set of commands
• File name - The name of the current file you are working on
• Search Bar - A tool that allows you search for a particular data or document in a helo file or to web
• Info Bar - Quickly search for a variety of information
• Draw Toolbar - Used to create new objects such as lines and circles
• Crosshairs - a type of cursor consisting of two lines that intersect and are used to locate points and selects objects in your drawing
• Status Bar - Displays the coordinate location of your crosshairs and the current settings of grid, snap, and other drawing aids
• Dialog Box Launcher - Displays the coordinate location of your crosshairs and the current setting of grip, snap and other drawing aids
• Line Command - command you can draw a simple line from one point to another
• LINE or L - Line command
• Polyline - A command that draws a single object composed of multiple line segments
• PLINE or PL - Polyline command
• Rectangle - Used to draw rectangle whose side are vertical and horizontal
• RECTANG or REC - Rectangle command
• Polygon - used to draw a regular polygon from 3 side up to 1024 sides
• POLYGON or POL - Polygon command
• 1024 - How many sides can a polygon have when drawn in AutoCAD
• DONUT or DO - Donut Command
• Donut - Draws somid donut shape, actually it's just closed polyline consisting of two arc segments which have been given a width
• Circle or C - Circle command
• ARC or A - Arc Command
• Arc - Allows you to draw an arc of a circle
• Spline - A smooth curve that fitted along a number of control points
• SPLINE or SPL - Spline command
• Ellipse - allows you to draw oval shape
• EL - Ellipse command
• Cartesian Co-ordinate - standard Co-ordinate system
• Absolute X, Y coordinates - with respect to the 0,0 point of the drawing
• polar Co-ordinate - uses one distance and one angle to describe the position of a point rather than the two distances