[ObsUx][A11y] Improve abbreviations spell for screen readers (#216954)

Closes https://github.com/elastic/kibana/issues/194983 
Closes https://github.com/elastic/kibana/issues/194982

### What was done
- Add aria-label for elements in the table (links, buttons)
- Improve the spelling of some abbreviations for screen readers

#### How to test
- Use any screen reader in Infrastructure inventory table view, and
hosts tables, navigate through the tables columns titles


https://github.com/user-attachments/assets/db800e7f-c062-43df-9dfc-87601beee487



https://github.com/user-attachments/assets/fbd27a0b-c052-45e6-bc98-e2446b97d4ea

x-pack/solutions/observability/plugins/infra/public/pages/metrics/hosts/components/table/entry_title.tsx

@@ -45,7 +45,17 @@ export const EntryTitle = ({ onClick, title }: EntryTitleProps) => {
         },
       })}
     >
-      <EuiLink data-test-subj="hostsViewTableEntryTitleLink" {...link}>
+      <EuiLink
+        data-test-subj="hostsViewTableEntryTitleLink"
+        aria-label={i18n.translate(
+          'xpack.infra.hostsViewPage.table.openHostDetailsLink.ariaLabel',
+          {
+            defaultMessage: 'Open host details {hostName}',
+            values: { hostName: name },
+          }
+        )}
+        {...link}
+      >
         <EuiFlexGroup
           className="eui-textTruncate"
           alignItems="center"

x-pack/solutions/observability/plugins/infra/public/pages/metrics/hosts/hooks/use_hosts_table.tsx

@@ -11,7 +11,7 @@ import type {
   CriteriaWithPagination,
   EuiTableSelectionType,
 } from '@elastic/eui';
-import { EuiText, EuiLink } from '@elastic/eui';
+import { EuiText, EuiLink, EuiScreenReaderOnly } from '@elastic/eui';
 import createContainer from 'constate';
 import useAsync from 'react-use/lib/useAsync';
 import { isEqual } from 'lodash';
@@ -21,6 +21,7 @@ import { findInventoryModel } from '@kbn/metrics-data-access-plugin/common';
 import { EuiToolTip } from '@elastic/eui';
 import { EuiBadge } from '@elastic/eui';
 import { FormattedMessage } from '@kbn/i18n-react';
+import { i18n } from '@kbn/i18n';
 import { APM_HOST_TROUBLESHOOTING_LINK } from '../../../../components/asset_details/constants';
 import { Popover } from '../../../../components/asset_details/tabs/common/popover';
 import { HOST_NAME_FIELD } from '../../../../../common/constants';
@@ -446,11 +447,20 @@ export const useHostsTable = () => {
       },
       {
         name: (
-          <ColumnHeader
-            label={TABLE_COLUMN_LABEL.rx}
-            toolTip={METRICS_TOOLTIP.rx}
-            formula={formulas?.rx.value}
-          />
+          <>
+            <EuiScreenReaderOnly>
+              <span>
+                {i18n.translate('xpack.infra.hostsViewPage.table.rx.screenReaderOnlyLabel', {
+                  defaultMessage: 'Network Inbound',
+                })}
+              </span>
+            </EuiScreenReaderOnly>
+            <ColumnHeader
+              label={TABLE_COLUMN_LABEL.rx}
+              toolTip={METRICS_TOOLTIP.rx}
+              formula={formulas?.rx.value}
+            />
+          </>
         ),
         width: '12%',
         field: 'rxV2',
@@ -462,11 +472,20 @@ export const useHostsTable = () => {
       },
       {
         name: (
-          <ColumnHeader
-            label={TABLE_COLUMN_LABEL.tx}
-            toolTip={METRICS_TOOLTIP.tx}
-            formula={formulas?.tx.value}
-          />
+          <>
+            <EuiScreenReaderOnly>
+              <span>
+                {i18n.translate('xpack.infra.hostsViewPage.table.tx.screenReaderOnlyLabel', {
+                  defaultMessage: 'Network Outbound',
+                })}
+              </span>
+            </EuiScreenReaderOnly>
+            <ColumnHeader
+              label={TABLE_COLUMN_LABEL.tx}
+              toolTip={METRICS_TOOLTIP.tx}
+              formula={formulas?.tx.value}
+            />
+          </>
         ),
         width: '12%',
         field: 'txV2',

x-pack/solutions/observability/plugins/infra/public/pages/metrics/inventory_view/components/table_view.tsx

@@ -80,6 +80,13 @@ export const TableView = (props: Props) => {
         const button = (
           <EuiToolTip content={tooltipText}>
             <EuiButtonEmpty
+              aria-label={i18n.translate(
+                'xpack.infra.tableView.columnName.openNodeDetailsButton.ariaLabel',
+                {
+                  defaultMessage: 'Open host details {nodeName}',
+                  values: { nodeName: value },
+                }
+              )}
               data-test-subj="infraColumnsButton"
               onClick={() => toggleAssetPopover(uniqueID, item.node.id)}
             >
@@ -118,7 +125,17 @@ export const TableView = (props: Props) => {
         const handleClick = () => props.onFilter(`${grouping.field}:"${value}"`);
         return (
           <EuiToolTip content="Set Filter">
-            <EuiButtonEmpty data-test-subj="infraColumnsButton" onClick={handleClick}>
+            <EuiButtonEmpty
+              aria-label={i18n.translate(
+                'xpack.infra.tableView.groupByColumn.setFilterButton.ariaLabel',
+                {
+                  defaultMessage: 'Set Filter {groupByName} to {value}',
+                  values: { groupByName: fieldToName((grouping && grouping.field) || ''), value },
+                }
+              )}
+              data-test-subj="infraColumnsButton"
+              onClick={handleClick}
+            >
               {value}
             </EuiButtonEmpty>
           </EuiToolTip>
@@ -128,7 +145,7 @@ export const TableView = (props: Props) => {
     {
       field: 'value',
       name: i18n.translate('xpack.infra.tableView.columnName.last1m', {
-        defaultMessage: 'Last 1m',
+        defaultMessage: 'Last 1 min.',
       }),
       sortable: true,
       truncateText: true,
@@ -137,7 +154,7 @@ export const TableView = (props: Props) => {
     },
     {
       field: 'avg',
-      name: i18n.translate('xpack.infra.tableView.columnName.avg', { defaultMessage: 'Avg' }),
+      name: i18n.translate('xpack.infra.tableView.columnName.avg', { defaultMessage: 'Avg.' }),
       sortable: true,
       truncateText: true,
       dataType: 'number',