changes to timespan and news contents

chapter_4/news.rst

@@ -1,16 +1,16 @@
 News
 ############
 
-The **news management** is an helpful functionality to keep the end user constantly informed on any changements or updates on the Knowage platform itself. In this section we will describe the main steps to insert a latest piece of news.
+The **news management** is a helpful functionality to keep the end user constantly informed on any changements or updates on the Knowage platform. In this section we will describe the main steps to insert a news.
 
 How to publish news
 ---------------------------
 
-To put news in place is mandatory to have administration priviledges. An admin user can insert the news entering the “news management” functionality from Knowage main menu, as the following picture highlights:
+To add news is mandatory to have administration priviledges. An admin user can insert news entering the **News Management** functionality from the Knowage main menu.
 
 .. figure:: media/image01.png
 
-    News management menu item.
+    News Management list item.
 
 Consequently, the user is redirected to the News management list. The page is divided into two areas. On the left side, all previously inserted news are listed. When clicking on one of them, its details are shown on the right side. 
 

chapter_4/timespan.rst

@@ -1,37 +1,40 @@
 Time Span
 ################
 
-Most of times a technical user develops a business solution for the use and consumption of a third not-skilled end user. In the contest of self-service capability of Knowage, when business models are available for allowing the end users to query data, it is possible to arrange time or temporal intervals so that end users can use those time periods to filter data when using the QbE interface.
+Most of times a technical user develops a business solution for the use and consumption of a third not-skilled end user. In the contest of self-service capability of Knowage, when business models are available to allow end users to query data, it is possible to arrange time or temporal intervals so that end users can use these time periods to filter data when working with the QbE interface.
 
 Create a new Timespan
 ---------------------
 
-The Timespan functionality is available under the Catalog section of Knowage main menu. 
+The Timespan functionality is available under the *CATALOGS* section of the Knowage main menu. 
 
 .. figure:: media/imageTS001.png
 
    Timespan
 
-When clicking on menu item "Timespan", Knowage redirects the user to the list of periods, if any was already set. It is possible to open an existing timespan simply clicking on the item from the list, to seach for one using the search box, to delete one item or clone it. THe delete and clone button are available aside the timespan item name.
+When clicking on **Timespan**, the user sees the list of already defined periods, if any. 
+Possible actions are opening, searching, deleting or cloning a specific timespan. 
+The delete and clone icons are available next to the timespan item name.
 
-.. figure:: media/imageTS002.png
+.. figure:: media/imageTS002_8.1.png
 
    Timespan list page
 
-To configure a new period the user must click on the red plus icon on the top right corner of Timespan list area. After clicking on the button the half right part of the page will display the form to fill in all necessary information. 
+To add a new timespan item just click on the *plus* icon on the top right corner of the item list. 
+The technical user is asked to assign a *Name* and to specify the *Type*, i.e. if it is a *Time* or a *Temporal* period. 
+In case of Time, the start and the end time should be entered otherwise the start and the end date should be entered.
+There is also the possibility to associate a *Category* for profiling issues. See the below figure, as an example.
 
-In particular, the technical user is asked to assign a name to the new timespan, to specify if it is a time or temporal type period. To associate a category for profiling issues and finally to define the start and the end time or the start and end date, if it is a time or temporal timespan respectively, as we can see in Figure below. 
-
-.. figure:: media/imageTS003.png
+.. figure:: media/imageTS003_8.1.png
 
    Time and temporal type
 
-In both cases, the technical user defines the start and the end of the interval and then clicks on the add button to insert it. remember to clcik on the save button to validte the settings. Note that it is possible, for each type, to add more than one interval.  
+Whatever type is chosen, the technical user defines the start and the end of the interval and has to use the *Save* icon to insert it. Note that it is possible, for each type, to add more than one interval.  
 
-.. figure:: media/imageTS004.png
+.. figure:: media/imageTS004_8.1.png
 
    Adding more than one temporal intervals in one timespan
 
-Once that intervals have been defined they can be used inside the QbE interface to filter time or temportal attributes. For this part we refer to the Free Inquiry chapter, in particular the Filters paragraph.
+Once that the intervals have been defined they can be used inside the QbE interface to filter time or temportal attributes. For this part, please refer to the *Free Inquiry* chapter, in particular when dealing with Filters.