Mark and susie decide to have a yard sale. whatever they didn’t sell, they would donate to their favorite charity. what does the word charity mean here?

In this context, the word "charity" means the act of benefiting others, the needy, the poor, and the unprotected.

Explanation:

Mark and Susie want to make donations to charities. These charities are organizations that fulfill a public utility function. Through charities many poor, needy and homeless people are helped and get some comfort in their lives. For this reason, we can conclude that the word "charity" means, in this context, the act of benefiting others, the needy, the poor and the unprotected.