The primary structure is bamboo (bansh) lashed with coir at every joint, raised after the khuti puja that consecrates the first post to Vishwakarma, usually around Rath Yatra in midsummer. Over that frame goes a secondary skin: plywood, cloth, cane, jute, fibreglass, sheet metal, terracotta, whatever the concept requires. The idol is built separately, on a bamboo-and-straw kathamo packed with Ganga clay (entel mati, then the fine bele mati slip), and finished with the chokkhu daan, the painting of the eyes. Thermocol and plaster of Paris, the cheap workhorses of the 1990s and 2000s, are now restricted: the Government of India banned the manufacture and use of polystyrene among single-use plastics from 1 July 2022, and the Central Pollution Control Board's immersion guidelines require eco-friendly materials for idols and decoration. Lighting is a separate trade, subcontracted almost entirely to Chandannagar, and the sound and the alpona are separate again.
- থিম পুজোTheme pujo
- A Durga Puja whose pandal, idol, lighting and sound are designed as one authored work around a stated concept; a local coinage of about 2000.
- বারোয়ারি / সর্বজনীনBaroyari / Sarbojanin
- A subscription puja run by a neighbourhood committee rather than a family; literally 'of twelve friends' and 'for everyone'.
- খুঁটি পুজোKhuti puja
- The rite that consecrates the first bamboo post of the pandal to Vishwakarma, usually held around Rath Yatra, months before the festival.
- চাঁদাChanda
- The door-to-door subscription collected from households and shops in the para; still the base layer of finance under the corporate sponsorship.
- শারদ সম্মানSharad Shamman
- The Asian Paints award, running since October 1985, that made pandal design a competitive, judged and reported activity.
- শিল্পীShilpi
- Artist. Its contested use for both the art-school designer and the hereditary artisan is the central labour argument of the theme pujo.
- কাঠামোKathamo
- The bamboo-and-wood armature of the idol, often the same frame recovered from last year's immersion.
- চক্ষুদানChokkhu daan
- The giving of the eyes: the last stroke of painting, traditionally at dawn on Mahalaya, after which the image can see and be seen.