Empty text is allowed if you do not want to display anything for a condition.
[IF=:if this :equals:this:display this text|otherwise display this text]
[IFIN:if this :is contained:in this:display this text|otherwise display this text]
[IFLIKE:if this :is like:this:display this text|otherwise display this text]
[IF>:if this :is greater than:this:display this text|otherwise display this text]
[IF>=:if this :is greater than or equal to:this:display this text|otherwise display this text]
[IF<:if this :is less than:this:display this text|otherwise display this text]
[IF<=:if this :is less than or equal to:this:display this text|otherwise display this text]
[IFBETWEEN:if this :is between:this:and this:display this text|if it is lower display this text|if it is higher display this text]