The crossword solutions for the term 'BE FUN!' are ITLL (4 letters) and ITD (3 letters). The acronym ITLL stands for 'It'll' which is a contraction of the phrase 'It will'. This phrase is used to express future possibility or probability. On the other hand, ITD stands for 'It'd' which is a contraction of the phrase 'It would'. This phrase is used to express hypothetical situations or conditions. Therefore, the two crossword solutions for the term 'BE FUN!' can be interpreted as 'It will be fun!' and 'It would be fun!'.