Final answer:
The term for the junction between the weld face and the base metal in a completed weld is the toe. This point is crucial for the integrity of the weld and is often inspected for potential defects.
Step-by-step explanation:
In a completed weld, the term for the junction between the weld face and the base metal is the toe. The toe is a critical part of the weld that needs to be inspected carefully, as it is a common location for stress concentration and potential failure. Understanding the terminology associated with welding is important for anyone involved in fabrication, inspection, or studying welding technology.