Wise Vocabulary: related terms and phrases Periods of time - common text age at/in one sitting idiom chapter day electronic age duration facts age leeway life training course life cycle lifetime session sitting down snooze standing subperiod timeframe time lag time span timescale See much more benefits » [ http://psicolinguistica.letras.ufmg.br/wiki/index.php/Explore_the_World_of_Ideas:_FullerSears.com