出典:Wiktionary
Unicode provides two X marks, one normal and other boldened: ✗ and ✘, respectively. However, alternatively, any other similar character can be used for their purpose, such as: X, x, ×, X, ✕, ☓, ✖, etc.
| ・Xmark | |
| ・CAKB | |
| ・SafeMoon | |
| ・inrounded | |
| ・Concise etchant | |
| ・Pcc | |
| ・forcel | |
| ・spring tab | |
| ・HDST | |
| ・annotation layer |