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You may right-click on the No. or Title fields (and some other fields) to bring up a menu allowing to add, insert and delete activities. You may drag the leftmost purple column up/down to change the order of the activities.
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You may right-click on an task-activity in the right side, to bring up a menu from where you can select Users. This will bring up a dialog where you may plan the task.
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A few fields need an explanation:
(1) To be added: This is the sum of the hours (4) that you have entered but not yet saved.
(2) Busy: The busy indicator shows the hours planned for the user vs. the total work time of the user in the period. Hours that have been entered in (4), but not yet saved, are included in the planned hours. Hold the mouse over the busy indicator to get a summary.
(3) The red icon indicates that the user is not at work on one or more of the days in the period.
(4) Hours: If the Full days checkbox is checked then you can specify the total number of hours the user should be allocated to this task - this will be split over the work days.
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If the Full days is not marked then you can specify the part of the day where the user should be planned - this applies to all work days.
The yellow star to the left of a team name is used to indicate that a team is a favourite team.
Toolbar
The toolbar above the Gantt diagram contains a number of tools:
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