asja

In a sentence

• Ma unustasin selle asja koju.

  I forgot that thing at home.

  Here, 'asja' refers to a specific, unnamed object or thing that the speaker forgot.

• See on keeruline asi, mida mõista.

  This is a complicated matter to understand.

  In this context, 'asja' (in the nominative form 'asi') is used metaphorically to refer to a concept or topic.

• Mul on veel mõned asjad ajada.

  I still have some matters to handle.

  Here, 'asja' (in the plural form 'asjad') refers to tasks or matters that need attention.