Case Sensitivity Variables

The instructions are confusing and i am getting more confused by the minute, can someone explain this in laymans terms please.

Your code so far

// Declarations
var StUdLyCapVaR = 10;
var properCamelCase;
var TitleCaseOver;
var camelCase;

// Assignments
studlyCapVaR = 10;
properCamelCase = "A String";
titleCaseOver = 9000;

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Link to the challenge:
https://www.freecodecamp.org/challenges/understanding-case-sensitivity-in-variables