1. teachable moments
2. Informal
2.1. Form
2.1.1. discussion
2.1.2. informal conversations
2.1.3. Informal assessments
2.1.4. varied contexts
2.2. Content
2.2.1. values
2.2.2. beyond formal syllabus
2.2.3. concerns
2.2.4. explorative
2.2.5. contextualised
2.3. Style
2.3.1. disorganised
2.3.2. non-academic discourse
2.3.3. non-standard English/ SCE
2.3.4. multi-tasking
2.3.5. casual, relaxed
2.3.6. hyper-energetic
2.3.7. non-threatening
3. Formal
3.1. Form
3.1.1. workbooks
3.1.2. formal assessments
3.1.2.1. summative
3.1.2.2. formative
3.1.3. mainly within physical classroom
3.1.4. worksheets
3.2. Content
3.2.1. formal syllabus
3.2.2. SOW
3.2.3. New node
3.2.4. decontextualised
3.3. Style
3.3.1. Organised
3.3.2. I-R-E/F
3.3.3. academic discourse
3.3.3.1. specialised terms/jargons
3.3.3.2. semantics
3.3.3.3. syntax
3.3.3.4. text type/ genre
3.3.3.4.1. expository
3.3.3.4.2. etc.
3.3.4. Standard Singapore English (SSE)
3.3.4.1. pronunciation
3.3.4.2. enunciation