Both "zhi" and "zhi" can be used as quantifiers. But their glyphs are different and their meanings are different. The usage is different as follows:
2 usage:
"Only" is often used in the following situations:
1. Some paired organs of human or animal. Like two ears.
2. Animals, mainly birds and animals. For example, a goat.
"Zhi" is often used in the following situations:
1. Used in troops, etc. Like an army.
2. Rod-shaped things. Like two pencils.
3. Used in songs and music. Like a song.
Extended data:
1.Only: According to 1986, the simplified words are summarized. The first table, with the prefix Z and the word 16, is only used as the simplified words of "(only) zhī" and "(only) zhǐ". zhǐ:
1，only，only:only(a . only； B. to emphasize that it is limited to a certain situation or scope; C. but).
2, indicating that it is limited to a certain range: only care; Just care; Only. See only the trees, not the forest.
3, only. Group words: only.
4. Last name. Zhο: 1, quantifier. Combination words: one. 2. Being alone. Word combination: alone.
Second, branches, branches, from holding half a bamboo (hand), to the branches of bamboo. The branch is the original word of the branch, holding a bamboo branch. Extending to branches and trunks.