Question

\estar\ can be used to talk about...
hunger
someones physical characteristics
emotions and feelings

Explanation:

In Spanish, "estar" is commonly used to express temporary states such as emotions and feelings. Hunger is more often expressed with "tener hambre". Physical characteristics are described using "ser". Emotions and feelings like "estar triste" (to be sad) are appropriate uses of "estar".

Answer:

Emotions and Feelings