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Epilog->{Text[]} is probably the simplest way to label these regions. I would also use Prologue->{Color, Rectangle[]} to make the regions even clearer but that might just be me.
Sections etc,. help you organise your thoughts. I typically use them to hide details in steps in an analysis so that when I execute the entire notebook, I can reproduce an output such as a plot. Such an organisation assists debugging and...
A naive solution uses `ToExpression[]` num = {1., E, \[Pi], FortranForm[10.^10]} // N Head[#] & /@ num str = ToString[#] & /@ num Head[#] & /@ str but note the output of exp = ToExpression[#] & /@ str Head[#] & /@...
Since [@Pedro Fonseca][at0] started this, and for comparison purposes .... Ubuntu 16.04.03 on Xeon(R) CPU E5-2690 v4 @ 2.60GHz [at0]: http://community.wolfram.com/web/pedro
`SetOptions` is your friend here. So, with (our randomised) survey data RandomSeed[130303]; surv = RandomInteger[{0, 25}, {25, 4}]; we can set up labels & styles resp = {"Strongly disagree", "Disagree", "Agree", "Strongly...
There is [this from 1998][1] which may be helpful. And Wolfram's books were apparently done using customised style sheets, so it can be done. But if you want a live document, why change from the NB (CDF) format? What's your end goal in this? ...