この川の幅が１マイルある。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

river; stream; the .... river; (suffix used with the names of rivers)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

width; breadth; freedom (e.g. of thought); latitude; gap; difference (e.g. in price); range (e.g. of voice)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

mile

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about