a) Aspects and dimensions of human knowledge and experience, organized by their respective Dewey Decimal Codes:
- Consciousness (150) – Awareness, perception, attention, thought, emotion
- Science (500) – Empiricism, rationalism, theory, experiment, observation
- Technology (600) – Invention, innovation, application, efficiency, sustainability
- Information (020) – Content, structure, accuracy, relevance, usefulness
- Matter (530) – Mass, density, volume, composition, state
- Energy (531) – Force, motion, potential, kinetic, transfer
- Space (500) – Size, shape, position, direction, distance
- Existence (110) – Being, presence, absence, continuity, change
- Time (115) – Duration, sequence, rate, frequency, age
- Health (610) – Physical, mental, emotional, social, environmental
- Education (370) – Curriculum, instruction, assessment, achievement, literacy
- Philosophy (120) – Epistemology, ontology, ethics, logic, aesthetics
- Aesthetics (700) – Beauty, harmony, form, expression, creativity
- Culture (306) – Tradition, language, beliefs, values, customs
- Society (300) – Organization, hierarchy, norms, roles, institutions
- Agency (320) – Power, control, influence, responsibility, accountability
- Ethics (170) – Morality, justice, fairness, rights, obligations
- Politics (320) – Power, authority, governance, democracy, justice
- Economics (330) – Production, consumption, exchange, distribution, growth
- Environment (577) – Ecology, biodiversity, conservation, pollution, climate
- Religion (200) – Belief, worship, ritual, tradition, spirituality
- Intentionality (150) – Purpose, goal, aim, plan, strategy
- Meaning (121) – Significance, interpretation, implication, symbolism, metaphor
- Value (121) – Worth, importance, desirability, utility, benefit