Bar charts or histograms.

The creative use of elements such as lines, shapes, colors, and texts to create a visually appealing piece.

The creative use of elements such as lines, shapes, colors, and texts to create a visually appealing piece.

Different thickness of lines denotes different things. Object lines are a specifice thickness (in relation to other lines on the same drawing) to visually identify 'objects'. Dimension lines are usually thinner, so as not to get confused with the lines that identify the object in question.

Both "pictorial" and "straight" can be used to describe lines. "Pictorial" typically refers to lines or images that are visually representational or graphic in nature, while "straight" describes lines that are not curved or bent in any way.