Noun
a rule or principle that provides guidance to appropriate behavior
a detailed plan or explanation to guide you in setting standards or determining a course of action
a light line that is used in lettering to help align the letters
Source: WordNetThe #1 guideline to success is you must be in business for yourself. When you work for someone else, you sell your time at wholesale to your employer, who then re-sells it at retail to the customer. J. Paul Getty
You need the past as a guideline. The history of music is a good basis, but to escape that stuff, that tortuous rulebook, you have to learn it first. It's kind of like religion - once you've written the Bible, that's it, move on. John Lydon
I think my guideline has been to find things that inspire me. And as long as I stick to that, I don't think I'll have any problems crossing over to becoming an adult actress. Elisabeth Moss
Iran's strong logic and firm diplomacy is the guideline for all government officials in negotiations on country's peaceful nuclear program with foreigners, quite resolutely. Mahmoud Ahmadinejad
the president said he had a road map for normalizing relations with Vietnam Source: Internet
About one in 15 homes in the US has radon levels above the recommended guideline of 4 picocuries per liter (pCi/l) (148 Bq/m³). Source: Internet