DOC: Additions/updates to documentation GH47282 
- [x] closes #47282 


Add brief definitions of Series and DataFrame into the 10 Minute Guide [https://pandas.pydata.org/docs/dev/user_guide/10min.html#min](url). 
This pull request is stale because it has been open for thirty days with no activity. Please [update](https://pandas.pydata.org/pandas-docs/stable/development/contributing.html#updating-your-pull-request) and respond to this comment if you're still interested in working on this. Closing as stale. @Capobiaj if you want to address the comments and continue working on this, please let us know to reopen.