Vajadus
Vajadus, Estonian for "need" or "necessity," is a fundamental concept used to describe a state of deficiency that motivates actions to obtain or create what is required for survival, functioning, or well-being. In everyday language the term covers biological needs (food, water, shelter) as well as more abstract requirements such as safety, belonging, or achievement. The noun vajadus is formed from the Estonian root vaja- "to need" with the suffix -dus, yielding "vajadus" for "need" and "vajadused" for "needs."
In philosophy and social sciences, vajadus is distinguished from tahe (desire) and soov (wish) by its emphasis
Vajadus can be analyzed at multiple levels: biological needs universal to humans; psychosocial needs shaped by