His reading is of a wide range.

His studies cover a wide field.

His study covers a wide area.

In Japan beef has a high degree of marbled fat.

The widespread application of administrative guidance is considered to be a uniquely Japanese practice in which bureaucrats exert authority, without any legal backing, telling the private sector what to do and what not to do.

The earthquake caused widespread damage.

Since a large area was devastated by the Tohoku earthquake of 2011, a sustained help effort is sought.