noun

la moda

fashion

Es la forma en que la gente suele vestirse o arreglarse en un momento y lugar determinados.

Word: moda

Meaning:
The Spanish word "moda" primarily means "fashion" or "trend." It refers to the prevailing style or popularity of clothing, accessories, behaviors, or ideas at a given time. Moda can describe the current tastes in terms of what people wear or what is popular culturally.

Parts:

Raíz: "mod-" which relates to measure or manner (from Latin modus meaning measure or mode).
Sufijo: "-a" (typical feminine noun ending in Spanish).

Synonyms:

Tendencia (trend)
Estilo (style)
Moda pasajera (fad, although this expresses a temporary trend)

Antonyms:

Antimoda (counter-fashion, something deliberately contrary to current fashion)
Obsolescencia (obsolescence) if talking about something outdated

Additional Meaning:
In statistics or mathematics, "moda" refers to the "mode" — that is, the value that appears most frequently in a data set.

Usage examples:

La moda de este verano son los colores vivos.
(The fashion this summer is bright colors.)
En el conjunto de datos, la moda es 5.
(In the data set, the mode is 5.)

In summary, moda can describe both cultural fashion/trend and the statistical mode, and its meaning can be understood according to context.