Meaning of right click

When someone tells you to right click, it means to press the mouse button on the right (indicated in picture above)

When someone tells you to scroll, it is the wheel that is in the center. You roll it up and down.

If you are told left click, it means to press the left button (indicated in picture above)

In settings you can change what each button does. You can flip flop the actions of the buttons. Also there is different types of mice and some have different layouts and use. However the default settings are as follows.

Left button selects an item (if you press and hold the left button and drag it, it will highlight more than one item)

Double left click will open a file.

The wheel (in the center) will allow you to scroll up and down a page (if the page has that capability).

The right button, usually brings up a menu to choose from. This is dependent on the program you right-click on. It can be different depending on the program.