| FCL | Java class / method | Comments |
| FUNCTION_BLOCK | FuzzyRuleBlock | |
| RULE | FuzzyRule | |
| RULE: IF ... | FuzzyRuleExpression: FuzzyRule.getAntecedents() | |
| RULE: THEN ... | LinkedList<FuzzyRuleTerm> FuzzyRule.getConsequents() | |
| RULE: WITH ... | double FuzzyRule.getWeight() | |
| RULEBLOCK ... ACT : | RuleImplicationMethod | |
| RULEBLOCK ... AND: / OR: | RuleConnectionMethod | |
| VAR_INPUT ... END_VAR_INPUT | Variable | We make no distinction between a input and an output Variable |
| VAR_OUTPUT ... END_VAR_OUTPUT | Variable | Output variables must have a Defuzzifier and a RuleAgrregationMethod |
| FUZZIFY ... TERM | LinguisticTerm | |
| DEFUZZIFY ... TERM | LinguisticTerm | |
| DEFUZZIFY ... ACCU | RuleAccumulationMethod | |
| FUZZIFY ... TERM := ... | MembershipFunction | |
| DEFUZZIFY ... TERM := ... | MembershipFunction |