 a |
 b |
 c |
 d |
FIGURES 3.3 A–D
Different license elements
The symbol shown in figure 3.3b means NonCommercial or “NC,” which means the work is only available to be used for non-commercial purposes. Three of the CC licenses include this restriction.
The symbol shown in figure 3.3c means ShareAlike or “SA,” which means that any adaptations and modified versions based on this work must adhere to the terms of the original license. Two of the CC licenses include this condition: Attribution-ShareAlike (CC BY-SA), and Attribution-NonCommercial-ShareAlike (CC BY-NC-SA).
The symbol shown in figure 3.3d means NoDerivatives or “ND,” which means that reusers cannot share adaptations or modified versions of the work. Two of the CC licenses include this restriction: Attribution-NoDerivs (CC BY-ND), and Attribution-NonCommercial-NoDerivs (CC BY-NC-ND).
When combined, these icons represent the six CC license options. The icons are also embedded in the “license icons,” which each represent a particular CC license type. The next section in this chapter, “License Types,” explores the six combinations in detail.
