Modular architecture is active.The dashboard stays light. Closing a book releases it from RAM. Offline copies are stored by the PWA cache, not inside one giant HTML file.
Cross-book navigation · Grammar Map v1.10
Master Grammar Map
18 mapped topics: the core map is now complete — Tenses & Aspect, Conditionals, Modals, Articles, Passive, Relative Clauses, Reported Speech, Gerunds & Infinitives, Prepositions, Questions & Negatives, Nouns & Noun Phrases, Quantifiers & Determiners, Adjectives & Adverbs, Comparison, Conjunctions & Linkers, Noun Clauses, Adverb Clauses, and Agreement & Word Order.
Lexical navigation · Vocabulary Map v1.0
Master Vocabulary Map
31 topic maps across Vocabulary in Use, collocations, phrasal verbs, academic English, business English, Activator and Learner’s Thesaurus.
Open Vocabulary Map →Grammar ↔ Vocabulary · Shared concepts
Master Language Map
12 cross-system bridges connect grammar and vocabulary where meaning/function genuinely overlaps.
Open Language Map →Working…