To convey information about a product or system

To create a visually appealing representation

To serve as a legal document

To provide entertainment

Orthographic, isometric, and perspective

Schematic, diagrammatic, and pictorial

Freehand, mechanical, and computer-aided

Technical, artistic, and architectural

Orthographic drawings show the object from multiple viewpoints, while isometric drawings show the object from a single viewpoint.

Orthographic drawings are two-dimensional, while isometric drawings are three-dimensional.

Orthographic drawings use parallel lines to represent edges, while isometric drawings use angled lines.

Orthographic drawings are used for technical documentation, while isometric drawings are used for artistic purposes.

To convey additional information that cannot be shown in the drawing itself

To make the drawing more visually appealing

To simplify the drawing and make it easier to understand

To add a personal touch to the drawing

Geometric symbols

Electrical symbols

Mechanical symbols

Architectural symbols

To specify the size and location of features on the object

To make the drawing more visually appealing

To simplify the drawing and make it easier to understand

To add a personal touch to the drawing

Linear dimensioning and angular dimensioning

Coordinate dimensioning and geometric dimensioning

Parallel dimensioning and perpendicular dimensioning

Horizontal dimensioning and vertical dimensioning

A tolerance is the allowable variation in a dimension, while a limit is the maximum or minimum value of a dimension.

A tolerance is the maximum or minimum value of a dimension, while a limit is the allowable variation in a dimension.

A tolerance is the difference between the actual size of a feature and its nominal size, while a limit is the maximum or minimum size of a feature.

A tolerance is the maximum or minimum size of a feature, while a limit is the difference between the actual size of a feature and its nominal size.

To show the internal details of an object

To make the drawing more visually appealing

To simplify the drawing and make it easier to understand

To add a personal touch to the drawing

Full section views and half section views

Aligned section views and offset section views

Revolved section views and removed section views

Sectional views and detail views

A detail view shows a small portion of an object in greater detail, while a sectional view shows the internal details of an object.

A detail view shows the internal details of an object, while a sectional view shows a small portion of an object in greater detail.

A detail view is a type of sectional view.

A sectional view is a type of detail view.

To show a feature of an object that cannot be seen in the main view

To make the drawing more visually appealing

To simplify the drawing and make it easier to understand

To add a personal touch to the drawing

Projected auxiliary views and revolved auxiliary views

Aligned auxiliary views and offset auxiliary views

Full auxiliary views and half auxiliary views

Sectional auxiliary views and detail auxiliary views

A projected auxiliary view is created by projecting the feature onto a plane parallel to the main view, while a revolved auxiliary view is created by rotating the feature around an axis.

A projected auxiliary view is created by rotating the feature around an axis, while a revolved auxiliary view is created by projecting the feature onto a plane parallel to the main view.

A projected auxiliary view is a type of revolved auxiliary view.

A revolved auxiliary view is a type of projected auxiliary view.

To provide additional information that cannot be shown in the drawing itself

To make the drawing more visually appealing

To simplify the drawing and make it easier to understand

To add a personal touch to the drawing