Where do we use does?

Excuse me, could you please clarify for me where exactly we use the auxiliary verb "does" in English grammar? I understand it's often used in forming questions and negations in the present simple tense, but I'm looking for a more detailed explanation or some examples to help me grasp the concept better. It would be great if you could provide some scenarios where "does" is commonly employed in everyday speech and writing. Thank you in advance for your assistance.