1. Canvas top buttons (left to right)

              export/save model

              import/load model

              undo action

              delete canvas

       <View>  tap canvas name to edit,

                      long press canvas name for canvas selector UI

              add canvas

              redo action

              resize canvas

              canvas grid background on/off

              show/hide canvas buttons

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2. Canvas left side buttons

              Help button

               Element Selector UI button

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3. Canvas right side buttons

              Canvas Speech Control (limited to add element, give name)

               Architect Buddies Chat UI button

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4. Canvas UI gestures

• Press the canvas and drag it to reposition the canvas,

• Pinch/expand two fingers on the canvas to resize canvas, 

• Triple tap the canvas to print the canvas,

• Single tap on the canvas to deselect all elements and connectors

• Single tap on an element to see its information,

• Double tap on an element to edit its name,

• Long press on an element for re-shaping pins and either Layer Order Selector or Connector Selector,

• Press and drag and element to reposition the element,

• Drag one element over another element and pause, to trigger Connector Selector,

• Pinch/expand two fingers on an element to resize it,

• Double tap canvas name to edit name,

• Long press canvas name to bring up Canvas Selector,

• Long press a connector to show Delete Connector button and Colour Selector buttons