Basic entities: root, row, column, element, absolute

Here it's important to know the following terms: section, cover, content page, quiz, block, and element. Please see the glossary if you're unfamiliar with them.

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The block structure consists of:

• Root.

• Rows.

• Columns.

• Elements.

• Absolutes (optional).

Root

The first part of the block structure is the Root: it's the initial row that holds all elements, rows, and columns. The Root defines paddings (the space between the element and block border) and width of the block.

Row

Row is a layout element used to organize and structure content horizontally.

Typically, a row contains columns.

Column

A column is a container for elements, and we create the layout structure from the perspective of columns.

Element

Element is the most granular part of the course that can be used to build and design the course. Elements can include various types of content such as text, images, buttons, videos, and many other interactive or static items.

Absolute

Absolute is a background layer that can be added either to columns or to the root. You can add multiple absolutes (layers) to a single column, enabling complex designs and layouts.