Literacy - definition in a cloud

This text is from wikipedia: Literacy has traditionally been described as the ability to read for knowledge, write coherently and think critically about printed material.

Literacy represents the lifelong, intellectual process of gaining meaning from print. Key to all literacy isreading development, which involves a progression of skills that begins with the ability to understand spoken words and decode written words, and culminates in the deep understanding of text. Reading development involves a range of complex language underpinnings including awareness of speech sounds (phonology), spelling patterns (orthography), word meaning (semantics), grammar (syntax) and patterns of word formation (morphology), all of which provide a necessary platform for reading fluency and comprehension. Once these skills are acquired the reader can attain full English literacy, which includes the abilities to approach printed material with critical analysis, inference and synthesis; to write with accuracy and coherence; and to use information and insights from text as the basis for informed decisions and creative thought. ^[1]

The United Nations Educational, Scientific and Cultural Organization (UNESCO) defines literacy as the "ability to identify, understand, interpret, create, communicate, compute and use printed and written materials associated with varying contexts. Literacy involves a continuum of learning in enabling individuals to achieve their goals, to develop their knowledge and potential, and to participate fully in their community and wider society."

This is how it looks as a tag cloud: 

ability achieve acquired analysis coherence community create critical decisions decode deep development educational english fluency formation identify includes individuals informed intellectual interpret involves key knowledge language lifelong literacy material meaning morphology organization orthography patterns platform potential printed range reading semantics skills sounds spelling text think traditionally understand unesco words written

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Barton and Hamilton on Literacy

Can the frequence of words say something about meaning in a text? I want to examine this by using cloud tags on definitions. I want to look for the differences in definitions of words or phenomenons. Since I'm now a master student in the subject of literacy at the University of Stavanger, it will very much relate to literacy; reading and writing.

The text in the cloud tag below is from Local literacies: reading and writing reading and writing in one community by David Barton,Mary Hamilton. This is the proper text: Literacy is primarily something people do; it is an activity, located in the space between thought and text. Literacy does not just reside in people's heads as a set of skills to be learned, and it does not reside on paper, captured as texts to be analysed. Like all human activity literacy is essentially social, and it is located in the interaction between people. This book is studying what people do with literacy: og the social activities, and of the texts utilised in such activities. It is about how a particular group of people use reading and writing in their day-to-day lives. Of necessity; the book is particular; it sets out from individual people's lives and particular literacy events at a certain point in history. At the same time it is also about the general nature of literacy and about the state of literacy in the world at the end of the twentieth century. (Barton & Hamilton 1998: 3)

activity analysed book captured century certain day-to-day essentially events general group heads history human individual interaction learned literacy lives located nature necessity paper particular people point primarily reading reside sets skills social something space state studying texts thought twentieth utilised world writing

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As you can see, Barton & Hamilton uses words like people, activity, texts, resides, lives, social when they speak about literacy. It is fun to recognize that words we normally think of regarding literacy, is barely present; reading and writing, skills and learnes. My understanding of the text has certainly been changed. I certainly want to analyze texts more by using cloud tags, it reminds me a bit about using mind maps. 

What do you think? Could this tool be used scientifically or is it just for fun? 

Objections could be: 

How about referencial words like pronouns and determinatives - should they be counted in? 

Or does verbs, adjectives and nouns count more than referential words (pronouns and determinatives)?