AutoCAD是计算机辅助设计，用于设计各种图纸。它提供了各种工具，借助这些工具可以轻松制作和查看不同类型的图纸。
基本的 AutoCAD 术语：
因为，我们知道术语的含义是任何领域中使用的特定术语。这里我们讨论的是 AutoCAD，所以我们讨论的是 AutoCAD 中使用的术语。以下是 AutoCAD 中使用的一些基本术语，在使用 AutoCAD 之前应先查看这些术语：
| Sr. No. | Terminology | Meaning |
|---|---|---|
| 1. | Absolute coordinates | It is a way of inputting points which are based on AutoCAD’s origin. |
| 2. | Acad.dwt | This is template which is default and due to default property it will automatically loads whenever you start a drawing session. It can be changed to meet your needs. |
| 3. | Backup file | AutoCAD had a feature of automatic backup of your drawing and it will save it. This is a safeguard in case your file gets corrupted. It is saved with a .BAK extension. |
| 4. | Block | This Block helps in saving time by using a pre-drawn image and it will make your file size smaller. |
| 5. | Clean Screen | It is display on which you draw your drawing and it is of full size. |
| 6. | Crosshairs | This terminology is used for your cursor which is used to move in your drawing area. |
| 7. | Cursor | The cursor will automatically changes according to function which is performing in program. |
| 8. | Database | It is basically, one large database containing all information which one needed to reproduce objects, when file is opened. Information for layers and line types are stored in this manner. |
| 9. | Dialog box | It uses a dialog box method to get information from user. You must know how to input information that is asks for. |
| 10. | Drawing template file | The preset values are used for frequently used settings. The file containing preset values has an extension of DWT. |
| 11. | Extents | It is outer boundaries of objects you have drawn. |
| 12. | Grid | This is pattern of dots displayed on screen to guide you. |
| 13. | Grips | Grips are used for small handles on objects which allow for quick editing. |
| 14. | Layer | All objects are drawn on a layer. You can group objects on a single layer and organize your drawing. |
| 15. | Layer Tabs | A space used for plotting your drawings. |
| 16. | Limits(Grid) | It is a setting to make an artificial boundary on your drawing. When limits are turned on, it limits you to drawing in that area. |
| 17. | Linetype | There are various linetypes for each object. e.g solid, center, dashed etc. |
| 18. | Model Space | The space where user models their objects is called Model space. |
| 19. | Modify | To change anything in drawing area user use this tool. |
| 20. | Object | The any item which is present in database of AutoCAD is called object. The other name of object is entity. |
| 21. | Origin | (0, 0) point in your drawing is called origin of co-ordiante system. |
| 22. | Ortho mode | The mode which is used for vertical axis is called ortho mode. |
| 23. | Orthographic Projection | The method of showing 2 or more views of same part in drawing a term used is orthographic projection. |
| 24. | Object Snap | To precise points on an object, we used a method called snapping. |
| 25. | Pan | Pan is terminology used to move around drawing by dragging drawing area around your screen. |
| 26. | Panel | Panel is group of commands which are present on ribbon. |
| 27. | Path | It is specific folder where AutoCAD looks for, or saves files. |
| 28. | Pick | By left-clicking on object we can pick any object. |
| 29. | Plot | Its is just like print because it is used to make hard-copy of files. |
| 30. | Polar coordinates | To input point based on distance and angle in your drawing. |
| 31. | Property | Any specific characteristics of an object such as layer, scale, line type, start point, etc. |
| 32. | Ribbon | The Ribbon is used to run across top of drawing space and contain panels – each panel consists a group of tools. We can switch to different panels just by clicking on tabs which are at top of ribbon. |
| 33. | Relative coordinates | A way of inputting points based on starting point. |
| 34. | Section view | The view which represent cross section of a part or assembly is called section view. |
| 35. | Selection set | The group of objects which are selected by user for their modification are called selection set. |
| 36. | Snap | This is drawing mode that allows you to snap your cursor to precise points laid out in a grid pattern. |
| 37. | Styles | By styles we mean different look of text and providing different dimensions to drawing. |
| 38. | Units | The basic drawing unit set for your drawing. For example, You can use inches or millimetres depending upon your need. You can set precision you want to be displayed. |
| 39. | User Coordinate system | Modification made to World Coordinate System (WCS) result in a User Coordinate System ( UCS ). |
| 40. | View | A particular area of your drawing. |
| 41. | Viewport | A separate window on your drawing. You may have more than one view-port visible to see different areas of your drawing at a same time. |
| 42. | Wizard | It is an instruction set which help user to set-up certain aspects of your drawing. |
| 43. | World Coordinate System | It is default X-Y coordinate system. By modifying it, it will become a User Coordinate System. |
| 44. | Zoom | It is used to view object precisely, for a smaller section of your drawing (zoom in) or a larger section (zoom out). |