The phrase "different characteristics" means that two or more things have unique features or qualities that make them distinct from each other. Full definition
The regression analysis revealed many different characteristics of lovers related to gender, age, relationship type, duration, and how in love participants were. (interpersona.psychopen.eu)
For example, the impact study will include analyses of whether home visiting has different effects on families with different characteristics when they enter the program. (mdrc.org)
Other than that, you have midfielders with very different characteristics. (blackwhitereadallover.com)