Rope: Endless and strong unity which bind the officials and residents closely together.

Nine Rays of the Sun: Stand for the 9 districts comprising the Municipality.

Map: Represents the Municipality of Bacnotan which depicts its main industries; the Bacnotan Cement Industries, agricultural products such as rice and fish, which represents fishing as the main occupation of the people residing at the shoreline. Significant landmarks such as Don Mariano Marcos State University, Small Water Impounding Projects which supplies irrigation water to 5 barangays at the eastern portion of the town and the Continental Leaf Tobacco Redrying Plant, Inc.

Forty Seven Stars: Represent the town's 47 barangays.