TASK DEFINITION: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
PROBLEM: It holds that non-material abstract ( but substantial ) forms ( or ideas ) , and not the material world of change known to us through our physical senses , possess the highest and most fundamental kind of reality .

SOLUTION: It says that there are non-physical abstract ideas that have the highest form and most real kind of reality .

PROBLEM: The Angiosperm Phylogeny Group , or APG , is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants ( angiosperms ) that reflects new knowledge about plant relationships discovered through phylogenetic studies .

SOLUTION: The Angiosperm Phylogeny Group ( APG ) is an informal international group of botanists who came together to try try and get a consensus on the taxonomy of flowering plants ( angiosperms ) .

PROBLEM: Basalt columns can be seen in many places , and the sea has eroded the soft rock of the shoreline and scooped out many picturesque coves and grottos , which are among the special features of the islands .

SOLUTION:
Basalt columns can be seen in many places , along with coves caused by soft rock erosion .