What does the word throughout mean?

Usage examples for throughout

  1. The problem held him in perplexity throughout the evening meal. – The Bronze Bell by Louis Joseph Vance
  2. " Usually the passengers keep their same seats throughout the journey," she said with a pleasant smile. – Behind the Green Door by Mildred A. Wirt
  3. There is not a country throughout the earth on which it would not bring a curse. – Thoughts on Educational Topics and Institutions by George S. Boutwell