https://www.opm.gov/policy-data-oversight/classification-qualifications/competency-based-policy/general-schedule/2200/2210-competency-based-policy/2210-competency-based-classification-standard/grading-information/factor-level-descriptions/
2210 Competency-Based Classification Standard - Factor Level Descriptions (FLDs)
level descriptions2210competencybasedclassification
https://www.middlebury.edu/language-schools/languages/arabic/immersion/levels
Arabic Level Descriptions | Middlebury Language Schools
Sep 28, 2023 - Placement in a specific level at the MIddlebury Language Schools is determined by language proficiency. See the level descriptions for Arabic.
level descriptionsarabicmiddleburylanguageschools
https://www.pewresearch.org/religion/2019/12/12/appendix-a-methodology-11/pf_12-12-19_religion-households-methodology8-png/
Descriptions of household patterns at regional level are based on data representing at least...