In addition to the elements of the "Exterior" step, , you will be able to customize your 2D plan in under the annotation sub-menu thanks to the "text", "line & arrow" and "area" tools.
Add text
1 - Go to the plan step, select the annotation sub-menu, and select the text tool. 
2 - A "My text" element will appear at the end of the mouse cursor. Click on the plan where you want to position this text.
❗The "Text" label can be moved at any time by holding down the left click.
3 - "My text" will then be highlighted. Write your text in place of the default text. Clicking outside the text area validates the current text.
💡The "Enter" key allows you to go down to the next line when writing the text.
4 - To edit the text, double click on it (or click on the "Edit text" icon present under the label).
5 - Once the text is written, you can modify its properties : font type and size, text color... Go to the right column in the "Parameters". 
💡 When you will have several text zones on a plan, the global application assistant will propose you to apply the text parameters to all these zones.
Create arrows and lines
1 - Go to the plan step, select the annotation sub-menu, and select the line and arrow tool. 
2 - Cursor will become a black cross. Make a first click on the grid to start the drawing. A second click will end it.
❗The created arrow can be moved at any time by a maintained left click.
3 - Click on the points at each end of the arrow and grad to change its length and orientation.
4 - Once the arrow is created, you can modify its properties: thickness, color, type of line (solid or dotted), ends... Go to the right column in "Parameters".
💡 When you have several arrows on the plan, the global application assistant will offer to apply the thickness and color settings to all the arrows.
Create areas
1 - Go to the plan step, select the annotation sub-menu, and select the area tool. 
2 - Draw the area on the grid on the principle "1 click = 1 turn".
3 - To finish the drawing, click on the validation arrow represented on your last created point.
4 - Once the area has been created, you can modify its properties: name, add to the open area, display its surface or not, change its type and size of font, its colors... Go to the right column in "Information" and "Parameters".
