1.
materials, documents, data
Written or collected information used for reference, research, or presentation purposes.
2.
source materials
Original documents or records used as a basis for research or study.
COMMON COLLOCATIONS:
- 資料を集める (to gather materials)
- 資料を作成する (to create documents)
- 参考資料 (reference materials)
- 配布資料 (handout materials)
- 資料室 (reference room, archives)
SIMILAR WORDS:
- データ - data (often digital or numerical)
- 書類 - documents, paperwork (more administrative)
- 文献 - literature, written sources (academic)
[Register: Neutral to Formal]