Home About Acronyms Explanation of technical terms and abbreviations used on this website Acronyms C (7) | D (1) | E (14) | F (2) | H (1) | I (1) | J (2) | M (3) | O (1) | R (2) | S (2) | U (1) Title Term Definition UDF Urban Development Fund as defined in Article 44 (b) of Reg. 1083.