Technical Drawing — In a single pictorial sketch (isometric, oblique, or perspective), the width, height, and depth of an object are visible simultaneously, giving a three-dimensional impression.

Introduction / Context:
Pictorial sketches (isometric, oblique, perspective) are used to communicate three-dimensional form on a two-dimensional medium. Unlike orthographic views, they combine width, height, and depth in one image for rapid visual understanding.

Given Data / Assumptions:

• Pictorial techniques distort or scale axes to show depth convincingly.
• Conventions differ: isometric uses equal angles; perspective uses vanishing points.
• Goal is comprehension, not necessarily precise dimensioning.

Concept / Approach:
By projecting edges along chosen axes, pictorial sketches reveal all three dimensions. This helps non-experts visualize the part before consulting detailed orthographic drawings for manufacturing data.

Step-by-Step Solution:
1) Choose a pictorial style (isometric, oblique, or perspective).2) Establish axes and draw bounding geometry.3) Add features, keeping consistent projection rules.4) Apply light line-weight hierarchy to enhance clarity.

Verification / Alternative check:
A viewer can identify the object’s primary dimensions directly from the single pictorial view, confirming that width, height, and depth are visible together.

Why Other Options Are Wrong:
Claims that only one or two dimensions are visible contradict the defining purpose of pictorials; saying two views are required confuses pictorials with orthographic projection.

Common Pitfalls:
Overcrowding details or inconsistent axes can reduce legibility; keep line weights and orientations consistent.

Final Answer:
Correct