What is the meaning of 一?

one, 1

one, 1

term relating to the number one:

1. the first in order, foremost
2. the beginning
3. the best
4. a kind of; one of something
5. an ace

the first in order, foremost

the beginning

the best

a kind of; one of something

an ace

unity

the bottom string of a shamisen or other Japanese musical instrument

the best in …; the most in …

a surname

one

the same

a female given name

one, 1

one, single

all

a bit

a certain time

an instance of (an event)

one, 1

one, 1

one, 1

a unisex given name

a surname

one, 1

one, 1

one

first, number one

great, big

one

full

Source: wiktionary.org