Is this a "What is" bombardment?! 8D If you Google them you can easily find the answers! How to post a minimal, complete, and verifiable question in SL's term. " Here are some tips to make sure your question qualifies: - Post only programming-related QUESTIONS and ANSWERS; - SEARCH for similar QUESTIONS or ANSWERS before posting; - Include relevant TAGS; - Follow community RULES: https://www.sololearn.com/Content-Creation-Guidelines/ DO NOT - Post spam/advertisement; - Use inappropriate language. * Post general discussions and open-ended questions in your feed. ** In case of an assignment, providing a code snippet is mandatory."