Creative Commons licences allow creators to mix-and-match restrictions that apply to their works. You should check which terms apply to the works you want to use. The four different licence terms are:
Attribution: You must always provide credit to the original author.
Share-Alike: If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
Non-Commercial: You may not use the material for commercial purposes.
No-Derivatives: You may not distribute modified versions of the work.