Analyze the provided image and extract all discernible text and labels related to dimensions and areas, presenting them in a structured format.

Dimensions and Areas:

The image displays a diagram with several labels and dimensions. The discernible elements are:

• A₁
• A₂
• F₁
• F₂
• F₃
• Dimensions denoted by 'a' and '2a'
• There are also indications of divisions or sections within the diagram marked by lines and potentially indicating further subdivisions with labels like 'a' and 'a'.