Light Bulb

Palm Tree

Open Eye

Arrow

A single slice of a citrus fruit like lemon or orange.

Citrus Fruit 

Cloud

Circle

A closed book with a curved spine laying flat, seen from the side at an angle.

Closed Book Laying Flat

Strawberry

A half body woman with glasses wearing a long-sleeved shirt and trousers, smiling while holding an open book in one hand and gesturing with the other hand.

Half Body Woman Holding An Open Book And Smiling

A single pair of round glasses or spectacles, facing the front.

Pair Of Round Glasses

An open book displaying a diagram of an atom next to a diagram of a cylinder above the equation "(x+2)". 

Open Book With Math And Science Diagrams

Oil Pump

A single arrow slanted and pointing in a direction.

Slanted Arrow

Two closed books piled on top of one another. 

Two books

A half body girl in a t-shirt, smiling while reading a book and waving.

Half Body Girl Reading Book And Waving

A single jagged arrow pointing in a direction.

Leaf

Gear

Windmill

Column

A closed book with a ribbon bookmark and a circular icon containing two letter Ts.

Book With Bookmark And Text Icon

A single sneaker or running shoe, facing side.

Sneaker

Open Book

Two stacked books seen at an angle, the one at the bottom with a bookmark and the one on top with a round shape on its spine.

Two Piled Books

A half body woman with chin-length hair and glasses reading a book.

Half Body Woman With Glasses Reading Book

A single quotation mark in a rounded square.

Quotation Marks In A Square

Column 

Two Closed Books And An Apple

An open book with eight curved parallel lines of text on each page and a ribbon bookmark, facing front.

Open Book With Bookmark Facing Front

Tree Icon

Cloud Shape

Paper Clip

A thick closed book with a curved spine laying flat, seen from the side at an angle.

A slanted, single arrow pointing in a direction.

Banner

Four different-sized stacked books with curved spines.

Stacked Books

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

Illustrations of single book