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 or charts 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, altering its position and adding borders
The Table Design tab appears 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 Equation tab appears when working with equations in your document and allows you to insert symbols and change the equation structure
The PivotTable - Analyze and Design tabs appear when you are working with a Pivot Table inserted via the Insert tab
The PivotChart - Analyze, Design and Format tabs appear when working with a Pivot Chart inserted via the Insert tab
The Sparkline tab appears when you insert Sparklines via the Insert tab
The Slicer tab appears when working with Slicer filters inserted via the Insert tab