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+Timesheet Module
+################
+
+The timesheet module allow to track the time spent by employees on
+various works. This module also comes with several reports that show
+the time spent by employees on works following various time periods.
+
+
+Work
+****
+
+A work is a generic concept that encompass all activities from simple
+tasks to long-running projects. The Work model contains the following
+fields:
+
+- Name: The name of the work.
+- Active: A checkbox that allow to disable the work.
+- Parent: The parent work.
+- Available on timesheets: A checkbox that tells if employees can
+  create timesheets for this work.
+- Company: The company for which the work is (or was) executed.
+
+
+Timesheet Line
+##############
+
+A timesheet line express the fact that one employee spend a part of
+his/her time on a specific work at a given date. An optional
+Description field allow to give some extra informations about what
+have been done.