function getTokens(rawString) {  //creates a new function named getTokens with an argument input rawString
  return rawString.toLowerCase().split(/[ ,!.";:-]+/).filter(Boolean).sort(); //block statement returns lowercase rawstring
  //splits characters (/[ ,!.";:-]+/) filters for true & false statements and proceeds to sort the array in alphabetical order

function mostFrequentWord(text) { //creates a new function named mostFrequentWord with text arguement input
  let words = getTokens(text);  // on a local level defines the words variable as getTokens with the arguement of text
  // all the text input through mostFrequentWord undergoes the parsing of the getTokens function
  let wordFrequencies = {}; // defines a new variable wordFrequencies as an empty array?
  for (let i = 0; i <= words.length; i++) { //runs this sequence as for as long as the for arguement is valid
    if (words[i] in wordFrequencies) { //this line breaks the loop under the condition that there are no more characters in the text?
      wordFrequencies[words[i]]++; //everytime a word occurs 1 value is added?
    } else { // if the result is false then we execute the following statement
      wordFrequencies[words[i]] = 1;
    }
  }
  let currentMaxKey = Object.keys(wordFrequencies)[0]; //creates an defines  an array for the frequency of words
  let currentMaxCount = wordFrequencies[currentMaxKey]; //creates our total for the max count

//this next block takes the varibles above and decides whether a new word is larger than the current count, and if so rewrites the new word
//as the new most frequent word

  for (let word in wordFrequencies) { //??
    if (wordFrequencies[word] > currentMaxCount) { // begins a loop to read if the new frequent word is larger than the amount from our current
      currentMaxKey = word;
      currentMaxCount = wordFrequencies[word];
    }
  }
  return currentMaxKey; //returns the results of the main function in the console
}