What is the meaning of ?

steps (up and down); stairs

rating; ranking

row; line (of text)

multiplication table

the equivalent to a column in Western layout, but that can be horizontal or vertical depending on the writing direction

(after a number) -th rank; -th degree black belt (in karate, judo, etc)

a section (horizontal line) in the gojūon table, which consists of kana that have or historically have had the same vowel

a unit in newspaper typesetting, equal to 1408 mils, 1000 in, 128 U (U) and 16 (bai)

a unit of areal measure equivalent to 300 (tsubo), now standardised at exactly 120000/121 square metres (around 991.7 m²)

Source: wiktionary.org