Shield: From the Provincial Seal of Batangas where the town is located.
Map: Geographical area of Municipality.
Sugarcane & Coconut Tree: Major products of Municipality.
Bamboo Poles in Alternate Style: "Kalaka" roofing of native houses during early days and where the name Calaca was derived from.
Red, White, & Blue Colors: Allegiance of the townspeople to Philippine National Flag.
Building & Ship: Presence of business establishments and ports that complement to Municipality's vision of becoming a balanced agro-industrial community.