There are FOUR main types of wheat flour
1. Soft flour - low in gluten content suited for making cakes, sponges, biscuits.
1.1 Self raising flour is an all purpose flour that contains baking powder (mixture of cream of tartar and bi-carbonate soda)
2. Strong flour - high in gluten content suited for making bread, pastries and pasta.
3. Wholemeal flour - relatively high in gluten content used similarly as strong flour.
4. Semolina is granulated hard flour derived from the central part of the wheat grain. It is used for making puddings and couscous.