B3. Tools & icons ← Knowledge Base B3.1 What are the tools and how can I best use them? B3.2 What is the pencil tool best used for? B3.3 What is the pointer tool best used for? B3.4 What is the circle tool best used for? B3.5 What is the rectangle tool best used for? B3.6 How do I change the colour of the tool I am using? B3.7 How do I change the size/width of the line made by the pencil, circle, and rectangle tools? B3.8 How do I undo or redo markings made with the tools? B3.9 How do I switch between tools while recording? B3.10 How do I hide the left side toolbar before and/or during recording my blrt? B3.11 What does the cog to the left or right of a Blrt do? B3.12 What is the funnel icon to the right of the search field for? B3.13 What does a cloud icon with a check mark in the centre mean to the right of my Blrt conversation? B3.14 What does a dotted red cloud icon mean to the right of my Blrt conversation? B3.15 What does a grey dotted could icon mean to the right of my Blrt conversation? B3.16 Can I hide pages from my Blrt? B3.17 What does the cog in the lower left corner of added pages do? B3.18 What is the line tool best used for?