This is the 799th most frequent Latvian word.
saules
"Saules" in English means "suns" (genitive form, e.g., "of the sun").
In this sentence, 'saules' is a genitive form of the noun 'saule' (sun), referring to 'of the sun' to specify belonging or origin.
Saules gaisma ir ļoti svarīga augiem.
Sunlight is very important to plants.
Here, 'saules' is a genitive form used to describe 'sunset' (in Latvian, 'saules riets'), indicating the concept of the setting sun.
Es vēroju saules rietu pie jūras.
I watched the sunset by the sea.
Here 'saules' is used attributively in its genitive form to describe the type of the instrument, literally translating to 'sun's clock' or 'sundial.'