Check this following link from RootsTech presentation for a better understanding of the standards that have been set up for genealogical research. Of course, no one is going to force you to use the standards but if you generally acknowledge them, then you are more likely to wish you had, down the road.
https://www.familysearch.org/blog/en/genealogicalproofstandardpart1/
Below is a chart a lot of folks refer to as they gather the information about their relatives:
Charts such as this can be found in many different locations on the Internet. Can you search for them?! OR, here's an idea: Create your own chart! One great place to start looking for genealogy-related web sites: Cyndi's List!
Questions?