This is the 6532nd most frequent Spanish word.
cali
"Cali" is a nickname for Santiago de Cali, a city in Colombia.
The word 'Cali' is used as a proper noun, referring to the name of the city known officially as Santiago de Cali.
Cali es una ciudad hermosa en Colombia.
Cali is a beautiful city in Colombia.
The word 'Cali' again is a proper noun, but here its mention is to give context about a location in relation to weather conditions.
En verano, el clima en Cali es muy cálido.
In summer, the weather in Cali is very warm.
This usage shows 'Cali' as identifying the city where a cultural event takes place, highlighting its association with cultural activities.