This packet has video of definitions, and an example that uses all of the terms defined. There is also a powerpoint with a definition of simple random sampling, and methods on getting random numbers. Some terms that may be new are:
Source: Greene
This video shows a basic example of population and sample, as well as other terms from the powerpoint.
Source: Greene
If you would like to see a video on actually getting units for a sample, please check out my other packet entitled Simple Random Sample (SRS).
Source: Greene