AFFINE AND PROJECTIVE VARIETIES: Noetherian rings and modules; Emmy Noether's theorem and Hilbert's Basissatz; Hilbert's Nullstellensatz; Affine and Projective algebraic sets; Krull's Hauptidealsatz; topological irreducibility, Noetherian decomposition; local ring, function field, transcendence degree and dimension theory; QuasiCompactness and Hausdorffness; Prime and maximal spectra; Example: linear varieties, hypersurfaces, curves. MORPHISMS: Morphisms in the category of commutative algebras over a commutative ring; behaviour under localization; morphisms of local rings; tensor products; Product varieties; standard embeddings like the segreand the d-uple embedding. RATIONAL MAPS: Relevance to function fields and birational classification; Example: Classification of curves; blowing-up. NONSINGULAR VARIETIES: Nonsingularity; Jacobian Criterion; singular locus; Regular local rings; Normal rings; normal varieties; Normalization; concept of desingularisation and its relevance to Classification Problems; Jacobian Conjecture; relationships between a ring and its completion; nonsingular curves. INTERSECTIONS IN PROJECTIVE SPACE: Notions of multiplicity and intersection with examples.