This sentence lets someone know what you would be interested in doing. This can be a physical, mental or verbal action.

Here are some examples:

"I would like to answer that question."
"I would like to compete in a cooking contest."
"I would like to explain myself."
"I would like to invite you over."
"I would like to practice."
"I would like to become a doctor."
"I would like to see you more often."
"I would like to thank you."
"I would like to learn about animals."
"I would like to meet the President."