Example clues give you examples of the unknown word. You must figure out what the examples have in common in order to figure out the meaning of the word. Examples are usually introduced by expressions like these: such as, for instance, including, for example, and like. Look at this example:
Large corporations like CP Group, Central Group, Thai Beverage Group, and Siam Cement Group are often less innovative than smaller ones.
This sentence gives you 4 examples of large corporations. What do these examples have in common? They are all large companies. So, a corporation must be a company.