In InDesign, all imported images are contained within graphic frames. The Tools panel contains three tools for drawing graphic frames.
(i) Ellipse Frame - This tool lets you create oval and round frames.
(ii) Rectangle Frame - This tool lets you create rectangular and square frames.
(iii) Polygon Frame - This tool lets you create equilateral polygons frames.

a) Leading:
Leading (pronounced "LEDing") is the amount of space between the baselines of two lines of type.
b) Alignment:
Alignment refers to the way a paragraph is horizontally spread out between the left and right sides of a text box.

(i) InDesign has-two main type tools: Type and Type on a Path. The Type tool is used to create a rectangle text frame where you can store text in your document.
(ii) The Type on a Path tool is used to add text along the inner or outer edge of a path.
(iii) In addition to the type tools, you can also use the Frame tools-Rectangle, Ellipse, and Polygon-to add text to your document.
(iv) The default font is Minion Pro Regular.

The Page tool is used for creating different page sizes within a document.
(i) To create a different page size, press Shift+P to select the Page tool, and click the page in the layout to select it.
(ii) Then use the options in the Control page to change the page layout.

The Direct Selection tool (press A) is used to select single object out of a group (several individual objects grouped together with the Object, Group command) or to select one or more points on a path of a single object.