People & organisations
OB marker
OB marker
Record details
- Also known as
- ["out-of-bounds marker","OB markers","informal speech boundary"]
- Type
- political-and-editorial-concept
- Jurisdiction
- SG
Dates describe this record’s own period and applicability. A verification date does not mean a rule is currently in force.
Sources
Collection as of 2026-10-07 · An expanding collection. Published counts show available knowledge, not complete coverage of Singapore.