Alphabetic writing.
They invented an alphabet to replace hieroglyphic writing, and syllabic writing.
The Phoenicians improved upon the Sumerian invention by when the Sumerians invented the first writing system (symbols and cuneiform) the Phoenicians invented the alphabet which was easier.
The Alphabet
They invented alphabetic writing to replace pictographic and syllabic writings.
The Sumerians in Mesopotamia are thought to have invented writing around 5,000 years ago. The Egyptians invented the first rudimentary alphabet, and the Phoenicians invented the first writing system that was exclusively alphabetic.
they would use there own alphabet and make words like we do but it was very different
The produced the form of alphabetic writing which was adopted and adapted by Greeks, Israelites, Romans and today's European languages.
the alphabet
They were the first to develop alphabet-based writing, much simpler than the writing systems developed so far.
Hieroglyphics is the name we give to Egyptian symbol writing. The Phoenicians invented their own simplified writing system based on alphabetic symbols which represented sounds. This simplified writing and was copied and modified by the Greeks and Romans, and forms the basis of today's alphabets.
Islam was invented nearly a millennium after the demise of the Phoenicians.
The Phoenicians did not invent the Greek language.