A rocket flying diagonally with a round window and a pointed nose. 

Rocket

Two Strokes

Two parallel tapes diagonal for a poster or paper. 

A poster or sheet of paper with tape pasted diagonally across the ccreatiorner.

A person with straight hair wearing headphones dancing or waving their arms.

An empty table with slightly diagonal legs.

A missile flying diagonally up into the sky with fire coming from the base. 

A percentage symbol represented by a straight diagonal line with two dots on each side.

A very basic round flower with diagonal symmetrical leaves on its stem.

Several books standing upright in a row, with one book at the end leaning diagonally. 

A rectangular box with a diagonal label or a tape.

A front-facing book shelf full of books, some tidy, some placed diagonally.

A globe icon with heart circling it diameter diagonally. 

A poster game pasted with a diagonal tape across a corner.

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.