If you have grave concerns about something then you worry about that subject.

A small stick is used to pass from one runner to another in a relay race is called a baton.

The extreme limit of something is the utmost effort.

When you are talking about "you", then you are talking about yourself.

Animals living in their natural environment are called living in the wild.

A monster character from fairy tale stories was often called an ogre.

A collection of information about people and events are called archives.

A feeling of resentment towards another is often called a grudge against that person.

A description of litter or excessive garbage is often called crap.

A strange feeling or misdirected remark is often a wry type of feeling.