mouse

Using a mouse properly is an essential computer skill. It can help you in completing tasks quickly. Also knowing how to properly hold a mouse can help prevent any injury. Here are some links that you can explore to familiarize yourself with how to use a mouse effectively:
(Note: You do not have to go through all the links, explore them and pick the one that works best for your needs and your current mousing skills)

Alongwith being able to use a mouse, these days one should be able to use the laptop touchpad also. Learning how to use one can be difficult as there are many different settings that can be applied to it. Following are a couple links for you on how to use a basic touchpad: