| 思维 | sī wéi | (line of) thought; thinking |
| 导 | dǎo | to transmit; to lead; to guide; to conduct; to direct |
| 图 | tú | diagram; picture; drawing; chart; map; CL:張|张[zhang1]; to plan; to scheme; to attempt; to pursue; to seek |
| 免费 | miǎn fèi | free (of charge) |
| 版 | bǎn | a register; block of printing; edition; version; page |