This new book is very interesting.

This computer can be used by anyone.

He is interested in the history of the past.

This old building tells the history of our town.

This old house is the one where my grandparents lived.

This software has forward compatibility.

This software maintains backward compatibility.

This new software maintains upward compatibility with the old version.

These two software have complete interchangeability.

He was holding my hand tightly.