Complex sentence: Metal bis (trimethylsilyl) amides (often abbreviated as metal silylamides) are coordination complexes composed of a cationic metal with anionic bis (trimethylsilyl) amide ligands and are part of a broader category of metal amides.
Split into simpler sentences: Metal bis (trimethylsilyl) amides are coordination complexes of a metal cation with bis (trimethylsilyl) amide ligands. These compounds are part of a broader category of metal amides.