| 一级 | yī jí | first class; category A |
| 目录 | mù lù | catalog; table of contents; directory (on computer hard drive); list; contents |
| 二级 | èr jí | grade 2; second class; category B |
| 目录 | mù lù | catalog; table of contents; directory (on computer hard drive); list; contents |
| 三级 | sān jí | grade 3; third class; category C |
| 目录 | mù lù | catalog; table of contents; directory (on computer hard drive); list; contents |
| 的 | de | of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis) |
| dí | really and truly | |
| dì | aim; clear | |
| dī | see 的士[di1 shi4] | |
| 区别 | qū bié | difference; to distinguish; to discriminate; to make a distinction; CL:個|个[ge4] |