There are also several contextual tabs that only appear when performing specific tasks, the main ones are summarized below:-

 

The Shape Format tab appears when you are performing any graphical functions such as inserting drawings and provides various tools to create graphics, change colours, styles and positioning of items

 

 

The Picture Format tab appears when you click on an image in your document and allows you to edit it by way of cropping, colour correction, artistic effects and altering its position

 

 

The Table - Design and Layout tabs appear when inserting and working with table elements and provides tools to change and configure the table style and layout

 

 

The SmartArt - Design and Format tabs appear when you are editing a SmartArt graphic you inserted via the Insert ribbon

 

 

The Chart - Design and Format tabs appear when you insert a Chart into your document and allow you to further customize it

 

 

The Header & Footer tab appears when you are inserting or editing the header/footer in your document

 

 

The Equation Tools - Design tab appears when working with equations in your document and allows you to insert symbols and change the equation structure