Reports on an organization’s projects may fill several major functions at the same time. A report can be used to educate and gain support from key people and groups, to facilitate and inform decision-making about current and future projects, and to provide documentation for the organization’s records.
上面文字中的several是一个不定数词，它属于Classification & Listing这一类Direction Words，当它出现在观点句中或者结论句中的时候，它表明紧跟在它后面的名词或者名词短语就是下面文字的topic or focus，在这里我们知道下面文字的中心是报告的主要功能(major functions)。
Classification & Listing
category, classification, group, parts, types, characteristics, elements, kinds, sorts, ways, classes, features, numbers, 1,2,3,4, moreover, next, also, then, furthermore, etc.
Sequence of Process
first, now, later, second, after, stages, third, before, steps, next, finally, then, most, important, furthermore, when, last, etc.
for example, for instance, to illustrate, such as, notably, to describe, specifically, perhaps the most, etc.
define, known as, we mean, is, that is, we can state, is defined as, the term means, etc.
Cause & Effect
because, for this reason, since, cause, on account of, why, contribute to, due to, as a result, in effect, therefore, consequently, result in, thus, hence, the outcome is, accordingly
Comparison & Contrast
compare, like/alike, resembles, likewise, similar, parallels, in comparison, in the same way/manner, although, however, on the other hand, as opposed to, but, instead, etc.