Come on mate, we have all been new to something before, there's...

Come on mate, we have all been new to something before, there's no need for that, if you really needed to respond, why don't u explain what a CDI is or provide a link to what is a CDI.

Not knowing something and asking the question is the best thing anyone can do, the worst thing is to say nothing.

I remember I was in a meeting about pricing, the marketing manager said we needed to increase pricing by the Customer Product Indicator, as she explained further about this CPI I realised she was actually talking about Consumer Price Index aka inflation, rather than her asking someone what CPI was she just made stuff up.